Lied Der Einheittsfront   Creator:   Busch, Ernst ( performer ) Brecht ( composer ) Eisler ( composer ) Publisher.Display:   Keynote ( Spain ; ) Format:   1 sound disc : 78 rpm ; 10 in. Source Institution:   Florida International University Lied Der Einheittsfront	Los Cuatro Generales   Creator:   Busch, Ernst ( performer ) Publisher.Display:   Keynote ( Spain ; ) Format:   1 sound disc : 78 rpm ; 10 in. Source Institution:   Florida International University Los Cuatro Generales